suxiaogang223 commented on code in PR #32438:
URL: https://github.com/apache/doris/pull/32438#discussion_r1529940285
##########
be/src/vec/exec/format/parquet/vparquet_column_reader.cpp:
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@@ -759,9 +772,31 @@ Status StructColumnReader::read_column_data(ColumnPtr&
doris_column, DataTypePtr
}
}
+ if (!least_one_reader) {
+ // TODO: support read struct which columns are all missing
+ return Status::Corruption("Not support read struct '{}' which columns
are all missing",
+ _field_schema->name);
+ }
+
+ // fill missing column with null or default value
Review Comment:
It seems that the field of struct in hive does not support not null or
default value
https://cwiki.apache.org/confluence/display/Hive/LanguageManual+Types#LanguageManualTypes-ComplexTypes
Can only add comment in struct<>
```txt
STRUCT<col_name : data_type [COMMENT col_comment], ...>
```
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